幸せ・倖せ・仕合わせ・仕合せ|しあわせshiawase[0]heiban (flat)

1. noun, na-adjectivehappiness; good fortune; luck; blessing
   金持かねもちが幸しあわせとは限かぎらない。↗

   The rich are not always happy.

• Synonym幸運こううんNeutralFocuses on good luck and things going your way, as in 「幸運にも助かった」; 「幸せ」 is about a lasting state of contentment with your life.
• Synonym幸いさいわいNeutralOften works adverbially as 'luckily, fortunately', as in 「幸い、けがはなかった」; also appears in 「…と幸いです」 to soften a request.
• SynonymラッキーCasualColloquial for being lucky or scoring by chance; also an exclamation, 「ラッキー！」. Suggests a one-off stroke of luck rather than happiness.
• Synonym幸福こうふくNeutralA Sino-Japanese word with a more formal, weighty tone than 「幸せ」, typical of writing and discussion, as in 「幸福追求権」.
• SynonymついてるCasualColloquial for being in luck, as in 「今日はついてる」; covers luck only, never happiness with life as a whole.
• SynonymハッピーCasualA loanword with a light, casual feel for being happy, as in 「ハッピーな気分」; common in speech and catchy phrases.
• Synonym幸さちWrittenAn elegant word for happiness and good luck, seen in 「幸多かれ」 and in personal names; also refers to harvests, such as delicacies from land and sea.
• Synonym福ふくNeutralGood fortune or blessing, mostly in set phrases such as 「福を招く」 and 「笑う門には福来る」 rather than free everyday use.
• Synonym福徳ふくとくWrittenFortune and wealth, or blessings earned through good deeds; found in religious contexts and deity names, rare in daily speech.
• Synonym果報かほうWrittenBookish and old-fashioned: originally Buddhist karmic retribution, extended to good luck, as in 「果報は寝て待て」.
• Synonym多幸たこうWrittenWritten language for abundant happiness, common in congratulatory letters and greetings, as in 「ご多幸をお祈りします」.
• Synonym福運ふくうんWrittenWritten word for happiness and good fortune; rare in daily use — say 「運」 or 「幸せ」 instead.
• Synonym慶福けいふくWrittenWritten word for happy events or happiness, found mainly in congratulatory phrases; not used in everyday speech.
• Synonym清福せいふくWrittenTranquil, carefree happiness; often used to close a letter wishing the recipient well, so it belongs to written correspondence.
• Synonym利福りふくWrittenWritten word for welfare — benefit plus happiness; very rare, with 「幸せ」 and 「福祉」 preferred in daily use.
• Related嬉しいうれしいNeutralAn adjective for momentary gladness or delight; 「幸せ」 denotes deeper, more lasting satisfaction and a sense of happiness with life.
• Related喜ばしいよろこばしいWrittenBookish adjective for joyous, welcome news or events, as in 「喜ばしい知らせ」; evaluates an event as gratifying rather than naming a feeling.
• Related楽しげたのしげNeutralDescribes someone looking happy from the outside, as in 「楽しげに笑う」; an observed appearance, not a claim about inner happiness.
• Related楽しいたのしいNeutralDescribes fun, enjoyable activities or times, as in 「旅行が楽しい」; 「幸せ」 speaks of satisfaction with life or one's state overall.
• Related大喜びおおよろこびNeutralGreat, often visible joy, as in 「子供が大喜びする」; a momentary emotional reaction, not a lasting state of happiness.
• Related幸福感こうふくかんNeutralThe subjective feeling of being happy, as in 「幸福感に包まれる」; names the inner sensation only, not happiness as a state.
• Antonym不幸ふこうNeutralThe opposite of 「幸せ」: misfortune and calamity; also a polite euphemism for a death in the family, as in 「ご不幸」.
• Antonym不幸せふしあわせNeutralThe direct negation of 「幸せ」 — not happy; a softer word than 「不幸」.
• Antonym悲惨ひさんNeutralDescribes wretched, tragic circumstances, as in 「悲惨な事故」; a much stronger term than 「不幸」.

Use 「幸せ」 for a happy, fulfilled life and 「幸福」 for a more formal, written tone. For good luck choose 「幸運」, colloquial 「ラッキー」 or 「ついてる」. For momentary gladness use 「嬉しい」, for enjoyable times 「楽しい」. The rest are narrower: adverbial 「幸い」, outward appearance 「楽しげ」, bookish or set-phrase words like 「多幸」「清福」「福」, and the antonyms 「不幸」「不幸せ」「悲惨」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （当人とうにんの意思いしによらない）巡り合めぐりあわせ、運命うんめい。
2. 幸運こううん。恵めぐまれていること。
3. 楽たのしさやうれしさで心こころが満ち足みちたりていること。
4. 幸運こううんで、恵めぐまれているさま。
5. 楽たのしさやうれしさで心こころが満ち足みちたりているさま。